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<a href="symbolize-model_8_c.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">// Copyright 2012, Google Inc.</span>
<a name="l00002"></a>00002 <span class="comment">// All rights reserved.</span>
<a name="l00003"></a>00003 <span class="comment">// </span>
<a name="l00004"></a>00004 <span class="comment">// Redistribution and use in source and binary forms, with or without</span>
<a name="l00005"></a>00005 <span class="comment">// modification, are permitted provided that the following conditions are</span>
<a name="l00006"></a>00006 <span class="comment">// met:</span>
<a name="l00007"></a>00007 <span class="comment">// </span>
<a name="l00008"></a>00008 <span class="comment">//   * Redistributions of source code must retain the above copyright</span>
<a name="l00009"></a>00009 <span class="comment">//     notice, this list of conditions and the following disclaimer.</span>
<a name="l00010"></a>00010 <span class="comment">//   * Redistributions in binary form must reproduce the above</span>
<a name="l00011"></a>00011 <span class="comment">//     copyright notice, this list of conditions and the following disclaimer</span>
<a name="l00012"></a>00012 <span class="comment">//     in the documentation and/or other materials provided with the</span>
<a name="l00013"></a>00013 <span class="comment">//     distribution.</span>
<a name="l00014"></a>00014 <span class="comment">//   * Neither the name of Google Inc. nor the names of its</span>
<a name="l00015"></a>00015 <span class="comment">//     contributors may be used to endorse or promote products derived from</span>
<a name="l00016"></a>00016 <span class="comment">//     this software without specific prior written permission.</span>
<a name="l00017"></a>00017 <span class="comment">//</span>
<a name="l00018"></a>00018 <span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span>
<a name="l00019"></a>00019 <span class="comment">// &quot;AS IS&quot; AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span>
<a name="l00020"></a>00020 <span class="comment">// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span>
<a name="l00021"></a>00021 <span class="comment">// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span>
<a name="l00022"></a>00022 <span class="comment">// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span>
<a name="l00023"></a>00023 <span class="comment">// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span>
<a name="l00024"></a>00024 <span class="comment">// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,           </span>
<a name="l00025"></a>00025 <span class="comment">// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY           </span>
<a name="l00026"></a>00026 <span class="comment">// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span>
<a name="l00027"></a>00027 <span class="comment">// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span>
<a name="l00028"></a>00028 <span class="comment">// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span>
<a name="l00029"></a>00029 <span class="comment">// -----------------------------------------------------------------------------</span>
<a name="l00030"></a>00030 <span class="comment">//</span>
<a name="l00031"></a>00031 <span class="comment">//</span>
<a name="l00038"></a>00038 <span class="comment"></span>
<a name="l00039"></a>00039 <span class="preprocessor">#include &lt;string&gt;</span>
<a name="l00040"></a>00040 <span class="preprocessor">#include &lt;cstdlib&gt;</span>
<a name="l00041"></a>00041 <span class="preprocessor">#include &lt;tr1/memory&gt;</span>
<a name="l00042"></a>00042 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00043"></a>00043 
<a name="l00044"></a>00044 <span class="preprocessor">#include &quot;../proto/dataio.h&quot;</span>
<a name="l00045"></a>00045 <span class="preprocessor">#include &quot;<a class="code" href="model-proto-writer_8_h.html" title="Interface for serializer for reranker::Model instances to ModelMessage instances.">model-proto-writer.H</a>&quot;</span>
<a name="l00046"></a>00046 <span class="preprocessor">#include &quot;<a class="code" href="model-reader_8_h.html" title="Provides the ModelReader  class, which can create Model  instances from a file.">model-reader.H</a>&quot;</span>
<a name="l00047"></a>00047 <span class="preprocessor">#include &quot;<a class="code" href="symbol-table_8_h.html" title="Provides the reranker::Symbols interface as well as the reranker::StaticSymbolTable implementation...">symbol-table.H</a>&quot;</span>
<a name="l00048"></a>00048 
<a name="l00049"></a><a class="code" href="symbolize-model_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">00049</a> <span class="preprocessor">#define PROG_NAME &quot;symbolize-model&quot;</span>
<a name="l00050"></a>00050 <span class="preprocessor"></span>
<a name="l00051"></a>00051 <span class="comment">// We use two levels of macros to get the string version of an int constant.</span>
<a name="l00052"></a><a class="code" href="symbolize-model_8_c.html#afc0fe0597af089c04afb9bc5a6475705">00052</a> <span class="preprocessor">#define XSTR(arg) STR(arg)</span>
<a name="l00053"></a><a class="code" href="symbolize-model_8_c.html#a878d88fe9bab9d7372961ce77b00fa26">00053</a> <span class="preprocessor"></span><span class="preprocessor">#define STR(arg) #arg</span>
<a name="l00054"></a>00054 <span class="preprocessor"></span>
<a name="l00055"></a>00055 <span class="keyword">using namespace </span>std;
<a name="l00056"></a>00056 <span class="keyword">using namespace </span>std::tr1;
<a name="l00057"></a>00057 <span class="keyword">using namespace </span>reranker;
<a name="l00058"></a>00058 <span class="keyword">using</span> confusion_learning::SymbolMessage;
<a name="l00059"></a>00059 
<a name="l00060"></a><a class="code" href="symbolize-model_8_c.html#ab14fc1012197db1b38cabd8b431160b7">00060</a> <span class="keyword">const</span> <span class="keywordtype">char</span> *<a class="code" href="compile-features_8_c.html#ab14fc1012197db1b38cabd8b431160b7">usage_msg</a>[] = {
<a name="l00061"></a>00061   <span class="stringliteral">&quot;Usage:\n&quot;</span>,
<a name="l00062"></a>00062   <a class="code" href="symbolize-model_8_c.html#a44493dbd21a529ec6fdb2da73a35ac70">PROG_NAME</a> <span class="stringliteral">&quot; &lt;model file&gt; &lt;symbol file&gt; &lt;output model file&gt;\n&quot;</span>,
<a name="l00063"></a>00063 };
<a name="l00064"></a>00064 
<a name="l00067"></a><a class="code" href="symbolize-model_8_c.html#a2ef30c42cbc289d899a8be5d2d8f77d0">00067</a> <span class="keywordtype">void</span> <a class="code" href="compile-features_8_c.html#afe55eae96aed06d16232a3b56fcf1ad3" title="Emits usage message to standard output.">usage</a>() {
<a name="l00068"></a>00068   <span class="keywordtype">int</span> usage_msg_len = <span class="keyword">sizeof</span>(<a class="code" href="compile-features_8_c.html#ab14fc1012197db1b38cabd8b431160b7">usage_msg</a>)/<span class="keyword">sizeof</span>(<span class="keyword">const</span> <span class="keywordtype">char</span> *);
<a name="l00069"></a>00069   <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i = 0; i &lt; usage_msg_len; ++i) {
<a name="l00070"></a>00070     cout &lt;&lt; <a class="code" href="compile-features_8_c.html#ab14fc1012197db1b38cabd8b431160b7">usage_msg</a>[i];
<a name="l00071"></a>00071   }
<a name="l00072"></a>00072   cout.flush();
<a name="l00073"></a>00073 }
<a name="l00074"></a>00074 
<a name="l00075"></a>00075 <span class="keywordtype">int</span>
<a name="l00076"></a><a class="code" href="symbolize-model_8_c.html#a3c04138a5bfe5d72780bb7e82a18e627">00076</a> <a class="code" href="candidate-set-proto-reader-test_8_c.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>(<span class="keywordtype">int</span> argc, <span class="keywordtype">char</span> **argv) {
<a name="l00077"></a>00077   <span class="comment">// Required parameters.</span>
<a name="l00078"></a>00078   <span class="keywordtype">string</span> model_file;
<a name="l00079"></a>00079   <span class="keywordtype">string</span> symbol_file;
<a name="l00080"></a>00080   <span class="keywordtype">string</span> model_output_file;
<a name="l00081"></a>00081 
<a name="l00082"></a>00082   <span class="keywordflow">if</span> (argc != 4) {
<a name="l00083"></a>00083     <a class="code" href="compile-features_8_c.html#afe55eae96aed06d16232a3b56fcf1ad3" title="Emits usage message to standard output.">usage</a>();
<a name="l00084"></a>00084     <span class="keywordflow">return</span> -1;
<a name="l00085"></a>00085   }
<a name="l00086"></a>00086 
<a name="l00087"></a>00087   model_file = argv[1];
<a name="l00088"></a>00088   symbol_file = argv[2];
<a name="l00089"></a>00089   model_output_file = argv[3];
<a name="l00090"></a>00090 
<a name="l00091"></a>00091   <span class="keywordtype">bool</span> compressed = <span class="keyword">true</span>;
<a name="l00092"></a>00092   <span class="keywordtype">bool</span> use_base64 = <span class="keyword">true</span>;
<a name="l00093"></a>00093 
<a name="l00094"></a>00094   <span class="comment">// Now, we finally get to the meat of the code for this executable.</span>
<a name="l00095"></a>00095   shared_ptr&lt;Symbols&gt; symbols(<span class="keyword">new</span> <a class="code" href="classreranker_1_1_local_symbol_table.html" title="A symbol table that stores the mapping from symbols to int&rsquo;s and vice versa in local (non-static) dat...">LocalSymbolTable</a>());
<a name="l00096"></a>00096   <span class="keywordflow">if</span> (symbol_file != <span class="stringliteral">&quot;&quot;</span>) {
<a name="l00097"></a>00097     ConfusionProtoIO proto_reader(symbol_file,
<a name="l00098"></a>00098                                   ConfusionProtoIO::READ,
<a name="l00099"></a>00099                                   compressed, use_base64);
<a name="l00100"></a>00100     SymbolMessage symbol_message;
<a name="l00101"></a>00101     <span class="keywordflow">while</span> (proto_reader.Read(&amp;symbol_message)) {
<a name="l00102"></a>00102       symbols-&gt;SetIndex(symbol_message.symbol(), symbol_message.index());
<a name="l00103"></a>00103     }
<a name="l00104"></a>00104     proto_reader.Close();
<a name="l00105"></a>00105   }
<a name="l00106"></a>00106 
<a name="l00107"></a>00107   <a class="code" href="classreranker_1_1_model_reader.html" title="Knows how to create Model instances that have been serialized to a file.">ModelReader</a> model_reader(1);
<a name="l00108"></a>00108   shared_ptr&lt;Model&gt; model =
<a name="l00109"></a>00109       model_reader.<a class="code" href="classreranker_1_1_model_reader.html#a55f682f65a7c93ecbbc8089108f7edf2">Read</a>(model_file, compressed, use_base64);
<a name="l00110"></a>00110   model-&gt;set_symbols(symbols.get());
<a name="l00111"></a>00111   
<a name="l00112"></a>00112   <span class="comment">// Serialize model.</span>
<a name="l00113"></a>00113   <a class="code" href="classreranker_1_1_factory.html" title="Factory for dynamically created instance of the specified type.">Factory&lt;ModelProtoWriter&gt;</a> proto_writer_factory;
<a name="l00114"></a>00114   shared_ptr&lt;ModelProtoWriter&gt; model_writer =
<a name="l00115"></a>00115       proto_writer_factory.<a class="code" href="classreranker_1_1_factory.html#a68117013334b03c94fc525e62080311f" title="Dynamically creates an object, whose type and initialization are contained in a specification string...">CreateOrDie</a>(model-&gt;proto_writer_spec(),
<a name="l00116"></a>00116                                        <span class="stringliteral">&quot;model proto writer&quot;</span>);
<a name="l00117"></a>00117   <span class="keywordflow">if</span> (model_writer.get() == NULL) {
<a name="l00118"></a>00118     <span class="keywordflow">return</span> -1;
<a name="l00119"></a>00119   }
<a name="l00120"></a>00120 
<a name="l00121"></a>00121   cerr &lt;&lt; <span class="stringliteral">&quot;Writing out model to file \&quot;&quot;</span> &lt;&lt; model_output_file &lt;&lt; <span class="stringliteral">&quot;\&quot;...&quot;</span>;
<a name="l00122"></a>00122   cerr.flush();
<a name="l00123"></a>00123   confusion_learning::ModelMessage model_message;
<a name="l00124"></a>00124   model_writer-&gt;Write(model.get(), &amp;model_message, <span class="keyword">false</span>);
<a name="l00125"></a>00125 
<a name="l00126"></a>00126   ConfusionProtoIO *proto_writer;
<a name="l00127"></a>00127   proto_writer = <span class="keyword">new</span> ConfusionProtoIO(model_output_file,
<a name="l00128"></a>00128                                       ConfusionProtoIO::WRITE,
<a name="l00129"></a>00129                                       compressed, use_base64);
<a name="l00130"></a>00130   proto_writer-&gt;Write(model_message);
<a name="l00131"></a>00131   <span class="comment">// Write out features.</span>
<a name="l00132"></a>00132   <span class="keywordtype">bool</span> output_best_epoch = <span class="keyword">true</span>;
<a name="l00133"></a>00133   <span class="keywordtype">bool</span> output_key = <span class="keyword">false</span>;
<a name="l00134"></a>00134   model_writer-&gt;WriteFeatures(model.get(), 
<a name="l00135"></a>00135                               *(proto_writer-&gt;outputstream()),
<a name="l00136"></a>00136                               output_best_epoch,
<a name="l00137"></a>00137                               model-&gt;num_training_errors(),
<a name="l00138"></a>00138                               output_key);
<a name="l00139"></a>00139   <span class="keyword">delete</span> proto_writer;
<a name="l00140"></a>00140   cerr &lt;&lt; <span class="stringliteral">&quot;done.&quot;</span> &lt;&lt; endl;  
<a name="l00141"></a>00141 
<a name="l00142"></a>00142   <a class="code" href="namespacereranker.html#aad9b478cf30e8884067b0f4edefefb76" title="A free-floating function (within the reranker namespace) that frees statically allocated objects...">TearDown</a>();
<a name="l00143"></a>00143   google::protobuf::ShutdownProtobufLibrary();
<a name="l00144"></a>00144 }
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